Build failures and 500 errors for functions using Edge runtime

Incident Report for Vercel

Resolved

This incident has been resolved.
Posted Sep 28, 2026 - 14:11 UTC

Monitoring

A small number of customers who built or deployed functions using Edge runtime between 13:01 and 13:11 UTC experienced elevated rates of build failures due to unexpected error. Some builds succeeded but resulted in 500 errors from functions using Edge runtime. Re-deploy functions using Edge runtime to accelerate remediation.
Posted Sep 28, 2026 - 13:44 UTC
This incident affected: Build & Deploy (Builds).
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